单词	椭圜
释义	椭圜 tuǒ huán見“橢圓”。
随便看	speedtrack speed track speed-track Speed tracker speed tracking speed tracking analysis speed tractive effort curve speed train speed training speed transducer speed transform speedtransformation speed transformation speed-transformation speed transforming gear speed transforming transmission speed-transforming transmission speed transforming transmission of the cam type speed transition zone speed transmission speed-transmission ratio speedtransmitter speed transmitter speed-transmitter speed trap